OECD Guidelines for the Testing of Chemicals, Section 1 Test No. 115: Surface Tension of Aqueous Solutions PDF Download
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Author: OECD
Publisher: OECD Publishing
ISBN: 926406978X
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes methods to determine the surface tension (in N/m) of aqueous solutions. The methods are based on the measurement of the force which it is necessary to exert vertically on a stirrup or ring, in contact with the surface ...
Author: OECD
Publisher: OECD Publishing
ISBN: 926406978X
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes methods to determine the surface tension (in N/m) of aqueous solutions. The methods are based on the measurement of the force which it is necessary to exert vertically on a stirrup or ring, in contact with the surface ...
Author: Organisation for Economic Co-operation and Development
Publisher:
ISBN:
Category :
Languages : en
Pages : 7
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Book Description
This Test Guideline describes methods to determine the surface tension (in N/m) of aqueous solutions. The methods are based on the measurement of the force which it is necessary to exert vertically on a stirrup or ring, in contact with the surface of the liquid, in order to separate it from the surface, or on a plate, with an edge in contact with the surface, in order to draw up the film that has formed. There are four different methods: the plate method, the stirrup method, the ring method and the OECD harmonized ring method. They are described in detail in the ISO Standard 304-1985. The methods described are applicable to aqueous solutions of most substances regardless of their degree of purity. The concentration should be 90% of the saturation solubility, but must below 1g/l. This shall therefore be carried out under a protective cover to avoid interference at 20°C approximately. The ring is immersed below the surface of the solution. Then the table top, where the measurement vessel is placed, is lowered gradually and evenly at a rate of approximately 0.5 cm/min to detach the ring from the surface until the maximum force is reached. The force is read on the tensiometer. After completing the first measurement, measurements are repeated until a constant surface tension value is reached.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264185291
Category :
Languages : en
Pages : 72
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Book Description
This Test Guideline describes a procedure for characterising the bioconcentration potential of substances in fish, using an aqueous (standard and minimised tests) or dietary exposure, under flow-through conditions (but semi-static regimes are ...
Author: OECD
Publisher: OECD Publishing
ISBN: 9264017984
Category :
Languages : en
Pages : 244
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Book Description
The OECD Guidelines for the Testing of Chemicals are a collection of internationally agreed methods for testing the safety of chemicals and chemical preparations, including pesticides and industrial chemicals. This 2005 update contains 11 new and 3 revised guidelines.
Author: Dennis J. Paustenbach
Publisher: John Wiley & Sons
ISBN: 111974296X
Category : Technology & Engineering
Languages : en
Pages : 1319
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Book Description
Understand the fundamentals of human risk assessment with this introduction and reference Human risk assessments are a precondition for virtually all industrial action or environmental regulation, all the more essential in a world where chemical and environmental hazards are becoming more abundant. These documents catalog potential environmental, toxicological, ecological, or other harms resulting from a particular hazard, from chemical spills to construction projects to dangerous workplaces. They turn on a number of variables, of which the most significant is the degree of human exposure to the hazardous agent or process. Human and Ecological Risk Assessment combines the virtues of a textbook and reference work to introduce and analyze these vital documents. Beginning with the foundational theory of human health risk assessment, it then supplies case studies and detailed analysis illustrating the practice of producing risk assessment documents. Fully updated and authored by leading authorities in the field, the result is an indispensable work. Readers of the second edition of Human and Ecological Risk Assessment will also find: Over 40 entirely new case studies reflecting the latest in risk assessment practice Detailed discussion of hazards including air emissions, contaminated food and soil, hazardous waste sites, and many more Case studies from multiple countries to reflect diverse international standards Human and Ecological Risk Assessment is ideal for professionals and advanced graduate students in toxicology, industrial hygiene, occupational medicine, environmental science, and all related subjects.
Author: OECD
Publisher: OECD Publishing
ISBN: 9264170200
Category :
Languages : en
Pages : 79
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Book Description
The OECD Guidelines for the Testing of Chemicals provide a unique tool for assessing the potential effects of chemicals on human health and the environment. Accepted internationally as the standard methods for safety testing, the OECD Guidelines for ...
Author: C.J. van Leeuwen
Publisher: Springer Science & Business Media
ISBN: 1402061013
Category : Science
Languages : en
Pages : 706
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Book Description
At last – a second edition of this hugely important text that reflects the progress and experience gained in the last decade and aims at providing background and training material for a new generation of risk assessors. The authors offer an introduction to risk assessment of chemicals as well as basic background information on sources, emissions, distribution and fate processes for the estimation of exposure of plant and animal species in the environment and humans exposed via the environment, consumer products, and at the workplace. The coverage describes the basic principles and methods of risk assessment within their legislative frameworks (EU, USA, Japan and Canada).
Author: OECD
Publisher: OECD Publishing
ISBN: 9264922342
Category :
Languages : en
Pages : 124
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Book Description
This document is the report of an OECD survey of member governments on their pesticide regulatory data requirements for product chemistry of active ingredients and end-use formulations. Product chemistry data are key information elements that are reviewed by governments during the process of registering pesticides.
Author:
Publisher:
ISBN:
Category : Chemistry, Technical
Languages : en
Pages : 462
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Book Description
Author: American Institute of Mining, Metallurgical, and Petroleum Engineers
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 1264
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Book Description